I think you're saying, not that you find the solution this way, but that you are checking it, which is a good thing to do.View attachment 25427
To find the solution for the following, I did:
8+3 (4/3 - 4) = 0
8+12/3 - 4 = 0
8+4-4 = 0
8=0
How did the value of a = 4/3 ? Why do I get a contradiction of 8=0?
So you caught your own error, which was forgetting to distribute. Good.8 + 12/3 - 12 =0
8+4-12=0
12-12=0
0=0
Okay i see.